diff -r 000000000000 -r 3547b885df7e demos/spheres_shadow.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/demos/spheres_shadow.py	Thu Oct 25 16:40:22 2007 +0200
@@ -0,0 +1,37 @@
+#!/usr/bin/python2.4
+
+import sys
+sys.path.append("../")
+
+from raytracer import Raytracer, Material, Plane, Sphere, Light
+import Image
+
+rt = Raytracer()
+
+light1 = Light(position=(0.0, 5.0, 5.0), colour=(0.7, 0.3, 0.6))
+rt.addlight(light1)
+
+light2 = Light(position=(-2.0, 10.0, 2.0), colour=(0.4, 0.6, 0.3))
+rt.addlight(light2)
+
+mat0 = Material(colour=(0.7, 0.7, 0.7))
+
+plane = Plane(normal=(0.0, 1.0, 0.0), d=1.0, material=mat0)
+rt.addshape(plane)
+
+mat1 = Material(colour=(1.0, 0.0, 0.0))
+bigsphere = Sphere(centre=(3.0, 2.0, 7.0), radius=3.0, material=mat1)
+rt.addshape(bigsphere)
+
+mat2 = Material(colour=(0.0, 1.0, 0.0))
+smallsphere = Sphere(centre=(-5.5, 1.5, 8.0), radius=2.0, material=mat2)
+rt.addshape(smallsphere)
+
+mat3 = Material(colour=(0.0, 0.0, 1.0))
+tinysphere = Sphere(centre=(-1.2, 0.0, 2.0), radius=0.5, material=mat3)
+rt.addshape(tinysphere)
+
+imagesize = (800, 600)
+data = rt.render(imagesize)
+img = Image.fromstring("RGB", imagesize, data)
+img.save('spheres_shadow.png')